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| HMC-MDB218 v00.0907 GaAs MMIC SUB-HARMONIC IRM MIXER, 54 - 64 GHz Features Wide IF Bandwidth: DC - 3 GHz RF Frequency: 54 to 64 GHz LO Frequency: 27 to 32 GHz High Image Rejection: 30 dB Passive; No DC Bias Required Die Size: 1.54 x 1.41 x 0.1 mm Typical Applications This HMC-MDB218 is ideal for: * Short-Haul / High Capacity Radios * SATCOM MIXERS - SUB-HARMONIC - CHIP * Military Radar, ECM & EW * Sensors * Test & Measurement Equipment Functional Diagram General Description The HMC-MDB218 is a sub-harmonically pumped (x2) MMIC Mixer which can be used as either an image reject mixer (IRM) or a single sideband upconverter. This passive MMIC mixer is fabricated with GaAs Heterojunction Bipolar Transistor (HBT) Shottky diode technology. For downconversion applications, an external quadrature hybrid can be used to select the desired sideband while rejecting image signals. All bond pads and the die backside are Ti/Au metallized and the Shottky devices are fully passivated for reliable operation. The HMC-MDB218 Sub Harmonic IRM is compatible with conventional die attach methods, as well as thermocompression and thermosonic wire bonding, making it ideal for MCM and hybrid microcircuit applications. All data shown herein is measured with the chip in a 50 Ohm environment and contacted with RF probes. Electrical Specifi cations*, TA = 25 C, IF = 1 GHz, LO = +10 dBm Parameter Frequency Range, RF Frequency Range, LO Frequency Range, IF Conversion Loss 1 dB Compression (Input) Image Rejection LO to RF Isolation LO to IF Isolation IP3 (Input) Amplitude Balance Phase Balance * Unless otherwise indicated, all measurements are from probed die Min. Typ. 54 - 64 27 - 32 DC - 3 12.5 -2 30 30 30 7 0.3 1 14 Max. Units GHz GHz GHz dB dBm dB dB dB dBm dB Deg 0 - 26 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC-MDB218 v00.0907 GaAs MMIC SUB-HARMONIC IRM MIXER, 54 - 64 GHz Downconverter Conversion Loss [1] [1] LO = 27 - 30 GHz IF = 1 GHz PLO = +10 dBm PRF = -20 dBm RF Port Return Loss [2] IF Port Return Loss [2] [2] LO = 29.5 GHz, PLO = 10 dBm Note 1: Measured Performance Characteristics (TOP = 25C) Note 2: Single side band measurement without 90 hybrid, and second IF port terminated. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 0 - 27 MIXERS - SUB-HARMONIC - CHIP HMC-MDB218 v00.0907 GaAs MMIC SUB-HARMONIC IRM MIXER, 54 - 64 GHz Absolute Maximum Ratings LO Drive Storage Temperature Operating Temperature 16 dBm -65 C to 150 C -55 C to 85 C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS MIXERS - SUB-HARMONIC - CHIP Outline Drawing NOTES: 1. ALL DIMENSIONS ARE IN INCHES [MM]. 2. TYPICAL BOND PAD IS .004" SQUARE. 3. BACKSIDE METALLIZATION: GOLD. 4. BACKSIDE METAL IS GROUND. 5. BOND PAD METALLIZATION: GOLD. 6. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS. 7. OVERALL DIE SIZE .002" 0 - 28 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC-MDB218 v00.0907 GaAs MMIC SUB-HARMONIC IRM MIXER, 54 - 64 GHz Application Circuits Application circuit 1 shows the mixer equivalent circuit. Application Circuit 2 depicts the mixer with a 90hybrid used to achieve signal image rejection. All RF parameters are specified with an ideal 90 hybrid on IF output ports. Conversion loss is measured (on wafer) at IF1 and/or IF2 (Application Circuit 1) with the second IF port terminated into 50 ohms. Three dB is then added to compensate for an ideal hybrid. The IP3 is stated as an input IP3 number and is obtained via a two-tone measurement. Application Circuit 1 Application Circuit 2 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 0 - 29 MIXERS - SUB-HARMONIC - CHIP |
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